When you are wearing a seat belt and need to stop suddenly, your body tries to move forward as the car slows down. you feel the seat belt back on your body as you move forward into it. which of newtons motion laws best explains why this happens

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

What is a possible result of higher air temperature caused by global warming

The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)